Enable VM service inside Dartium Renderer processes

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 1088 matching lines @@
             {
                 "name": "clearBrowserCookies",
                 "description": "Clears browser cookies."
             },
             {
                 "name": "setCacheDisabled",
                 "parameters": [
                     { "name": "cacheDisabled", "type": "boolean", "description": "Cache disabled state." }
                 ],
                 "description": "Toggles ignoring cache for each request. If <code>true</code>, cache will not be used."
-            },  
+            },
             {
                 "name": "loadResourceForFrontend",
                 "async": true,
                 "parameters": [
                     { "name": "frameId", "$ref": "Page.FrameId", "description": "Frame to load the resource from." },
                     { "name": "url", "type": "string", "description": "URL of the resource to load." },
                     { "name": "requestHeaders", "$ref": "Network.Headers", "optional": true, "description": "Request headers." }
                 ],
                 "returns": [
                     { "name": "statusCode", "type": "number", "description": "HTTP status code." },
@@ skipping 2128 matching lines @@
             },
             {
                 "name": "scriptParsed",
                 "parameters": [
                     { "name": "scriptId", "$ref": "ScriptId", "description": "Identifier of the script parsed." },
                     { "name": "url", "type": "string", "description": "URL or name of the script parsed (if any)." },
                     { "name": "startLine", "type": "integer", "description": "Line offset of the script within the resource with given URL (for script tags)." },
                     { "name": "startColumn", "type": "integer", "description": "Column offset of the script within the resource with given URL." },
                     { "name": "endLine", "type": "integer", "description": "Last line of the script." },
                     { "name": "endColumn", "type": "integer", "description": "Length of the last line of the script." },
-                    { "name": "isContentScript", "type": "boolean", "optional": true, "description": "Determines whether this script is a user extension script." },                    
+                    { "name": "isContentScript", "type": "boolean", "optional": true, "description": "Determines whether this script is a user extension script." },
                     { "name": "sourceMapURL", "type": "string", "optional": true, "description": "URL of source map associated with script (if any)." },
                     { "name": "hasSourceURL", "type": "boolean", "optional": true, "description": "True, if this script has sourceURL.", "hidden": true },
                     { "name": "language", "type": "string", "optional": true, "description": "Programming language of the script" },
                     { "name": "libraryId", "type": "integer", "optional": true, "description": "Id of the library/module included in the context." }
                 ],
                 "description": "Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger."
             },
             {
                 "name": "scriptFailedToParse",
                 "parameters": [
@@ skipping 743 matching lines @@
                 ]
             }
         ],
         "events": [
             {
                 "name": "layerTreeDidChange"
             }
         ]
     },
     {
+        "domain": "Dart",
+        "types": [],
+        "commands": [
+            {
+                "name": "observatoryQuery",
+                "parameters": [
+                    { "name": "id", "type": "string" },
+                    { "name": "query", "type": "string" }
+                ]
+            }
+        ],
+        "events": [
+            {
+                "name": "observatoryData",
+                "parameters": [
+                    { "name": "id", "type": "string" },
+                    { "name": "data", "type": "string" }
+                ]
+            }
+        ]
+    },
+    {
         "domain": "Tracing",
         "hidden": true,
         "commands": [
             {
                 "name": "start",
                 "description": "Strart trace events collection.",
                 "parameters": [
                     { "name": "categories", "type": "string", "description": "Category/tag filter" }
                 ]
             },
             {
                 "name": "end",
                 "description": "Stop trace events collection."
             }
         ],
         "events": [
             {
                 "name": "dataCollected",
                 "parameters": [
                     { "name": "value", "type": "array", "items": { "type": "object" } }
                 ]
             },
             {
                 "name": "tracingComplete"
             }
         ]
     }]
 }